Finding the Third Proportional to 9,939,996 and 21,741,048

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939,996 : 21,741,048 = 21,741,048 : x
2. Step 2: Convert to fraction form
   9,939,996/21,741,048 = 21,741,048/x
3. Step 3: Cross multiply
   9,939,996x = 21,741,048 × 21,741,048
4. Step 4: Simplify right side
   9,939,996x = 472,673,168,138,304
5. Step 5: Solve for x
   x = 472,673,168,138,304/9,939,996
6. Step 6: Final answer
   x = 47,552,651.75